Finding the Fourth Proportional to 158,262.42, 237,317.49 and 53,007.78

Step by Step Solution

1. Step 1: Write the proportion equation
   158,262.42 : 237,317.49 = 53,007.78 : x
2. Step 2: Convert to fraction form
   158,262.42/237,317.49 = 53,007.78/x
3. Step 3: Cross multiply
   158,262.42x = 237,317.49 × 53,007.78
4. Step 4: Simplify right side
   158,262.42x = 12,579,673,300.07
5. Step 5: Solve for x
   x = 12,579,673,300.07/158,262.42
6. Step 6: Final answer
   x = 79,486.17